EP4188630A2 - Verfahren und vorrichtung zum schweissen von werkstücken mit überlagerten hochfrequenzpulsen - Google Patents

Verfahren und vorrichtung zum schweissen von werkstücken mit überlagerten hochfrequenzpulsen

Info

Publication number
EP4188630A2
EP4188630A2 EP21752672.2A EP21752672A EP4188630A2 EP 4188630 A2 EP4188630 A2 EP 4188630A2 EP 21752672 A EP21752672 A EP 21752672A EP 4188630 A2 EP4188630 A2 EP 4188630A2
Authority
EP
European Patent Office
Prior art keywords
welding
current
phase
hsp
low
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP21752672.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4188630B1 (de
Inventor
Peter Lattner
Martin WILLINGER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fronius International GmbH
Original Assignee
Fronius International GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fronius International GmbH filed Critical Fronius International GmbH
Publication of EP4188630A2 publication Critical patent/EP4188630A2/de
Application granted granted Critical
Publication of EP4188630B1 publication Critical patent/EP4188630B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/067—Starting the arc
    • B23K9/0672—Starting the arc without direct contact between electrodes
    • B23K9/0673—Ionisation of the arc gap by means of a tension with a step front (pulses or high frequency tensions)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/06—Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc
    • B23K9/073—Stabilising the arc
    • B23K9/0738—Stabilising of the arc by automatic re-ignition means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
    • B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
    • B23K9/092—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits characterised by the shape of the pulses produced
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/09—Arrangements or circuits for arc welding with pulsed current or voltage
    • B23K9/091—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits
    • B23K9/093—Arrangements or circuits for arc welding with pulsed current or voltage characterised by the circuits the frequency of the pulses produced being modulatable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/095—Monitoring or automatic control of welding parameters
    • B23K9/0953—Monitoring or automatic control of welding parameters using computing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K9/00—Arc welding or cutting
    • B23K9/16—Arc welding or cutting making use of shielding gas
    • B23K9/167—Arc welding or cutting making use of shielding gas and of a non-consumable electrode

Definitions

  • a basic characteristic curve or welding job read from a data memory is written back to the corresponding data memory as an adapted welding job after a user has set the welding parameters.
  • the data store can, for example, be in the Welding power source 5 of the welding machine can be provided.
  • the correspondingly adapted welding job can be written back to the data memory as a database entry by the user concerned and can be used again by the user for later welding processes.
  • a user has the opportunity to individualize a basic welding characteristic GKL for his specific needs and preferences and to read it out of the data memory for welding processes if necessary.
  • the welding method according to the invention permits reliable ignition of the non-consumable welding electrode 2 and precise adjustment of the energy input during a welding process. As a result, the quality of the weld seam produced can be increased.
  • the user can go to specific points in the welding job, for example to specific phases (HSP, NSP) of a single welding cycle SZ, zoom. For example, by moving two fingers in the opposite direction, you can zoom or focus on a specific point within the welding job in order to set specific welding parameters manually. For example, a user can reduce or stretch or increase the amplitudes and durations or time periods on the touchscreen by appropriate finger movements. This allows the user to quickly and intuitively adjust the corresponding welding jobs. For example, a user can individually set or deactivate ignition pulses ZI or ignition pulse packets at the beginning of the welding cycle SZ for different welding cycles SZ by means of a manual input command, for example tapping on the surface of the touchscreen.
  • a manual input command for example tapping on the surface of the touchscreen.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Arc Welding Control (AREA)
  • Arc Welding In General (AREA)
EP21752672.2A 2020-07-31 2021-07-30 Verfahren und vorrichtung zum schweissen von werkstücken mit überlagerten hochfrequenzpulsen Active EP4188630B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020209717.8A DE102020209717A1 (de) 2020-07-31 2020-07-31 Verfahren und Vorrichtung zum Schweißen von Werkstücken
PCT/EP2021/071397 WO2022023526A2 (de) 2020-07-31 2021-07-30 VERFAHREN UND VORRICHTUNG ZUM SCHWEIßEN VON WERKSTÜCKEN

Publications (2)

Publication Number Publication Date
EP4188630A2 true EP4188630A2 (de) 2023-06-07
EP4188630B1 EP4188630B1 (de) 2024-09-04

Family

ID=77300898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21752672.2A Active EP4188630B1 (de) 2020-07-31 2021-07-30 Verfahren und vorrichtung zum schweissen von werkstücken mit überlagerten hochfrequenzpulsen

Country Status (5)

Country Link
US (1) US20230226635A1 (ja)
EP (1) EP4188630B1 (ja)
JP (1) JP7518282B2 (ja)
DE (1) DE102020209717A1 (ja)
WO (1) WO2022023526A2 (ja)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781511A (en) * 1972-03-23 1973-12-25 H Rygiol Method of welding employing square wave current pulses and causing the molten metal to resonate
DE2904481A1 (de) * 1979-02-07 1980-08-21 Messer Griesheim Gmbh Verfahren zum zuenden eines gleichstromschweisslichtbogens, insbesondere beim schutzgaslichtbogenschweissen mit nichtabschmelzender elektrode von leichtmetallen
JP2505965B2 (ja) * 1993-04-08 1996-06-12 株式会社日立製作所 固定配管の溶接方法及び装置
AT402035B (de) 1994-03-09 1997-01-27 Fronius Schweissmasch Verfahren zum ac-wig-schweissen
AT413658B (de) 2001-09-12 2006-04-15 Fronius Int Gmbh Fernregler und bedieneinheit für ein schweissgerät
JP2005081387A (ja) * 2003-09-09 2005-03-31 Ishikawajima Harima Heavy Ind Co Ltd Ｔｉｇ溶接装置及び方法
JP2005081383A (ja) 2003-09-09 2005-03-31 Aim:Kk 溶接用トーチの倣い装置
US8598491B2 (en) 2005-11-04 2013-12-03 Lincoln Global, Inc. GTAW welder

Also Published As

Publication number Publication date
JP7518282B2 (ja) 2024-07-17
WO2022023526A2 (de) 2022-02-03
US20230226635A1 (en) 2023-07-20
EP4188630B1 (de) 2024-09-04
JP2023541782A (ja) 2023-10-04
WO2022023526A3 (de) 2022-03-24
DE102020209717A1 (de) 2022-02-03

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